Commit 9aa11a7 for zlib

commit 9aa11a7ed2240b1ccaa15fb5c74a639e6d6220d9
Author: Mark Adler <git@madler.net>
Date:   Mon Dec 8 04:46:23 2025 -0800

    Avoid mixed signedness compare in gzwrite.c.

diff --git a/gzwrite.c b/gzwrite.c
index e7864cb..9348473 100644
--- a/gzwrite.c
+++ b/gzwrite.c
@@ -380,7 +380,7 @@ local int gz_vacate(gz_statep state) {
     z_streamp strm;

     strm = &(state->strm);
-    if ((strm->next_in + strm->avail_in) - state->in <= state->size)
+    if (strm->next_in + strm->avail_in <= state->in + state->size)
         return 0;
     (void)gz_comp(state, Z_NO_FLUSH);
     if (strm->avail_in == 0) {